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guapka [62]
4 years ago
13

Mrs. McIntyre needs to buy pencils and erasers for her math class. The store is selling a box of pencils for $2 and a box of era

sers for $1. She needs to buy four times as many pencils as erasers. If she can only spend $18, how many boxes of each will she buy?
Mathematics
1 answer:
Marianna [84]4 years ago
5 0

Answer:

8 boxes of pencils and 2 boxes of erasers

Step-by-step explanation:

2 times 4 equals 8, which is the part where she needs to buy 4 times as many pencils as erasers.

8 times 2 is 16 and 1 times 2 is 2 add both 16 and 2 together and you get 18 so she spends all $18

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Dwayne's family has many pets. at the house they have both cats and birds. between all the cats and birds, they have 16 eyes and
densk [106]
Let C be the number of cats and B be the number of birds.
Each cat has 4 legs while each bird has 2 legs. Thus,
4C + 2B = 22
2B = 22 - 4C

Each cat and each bird has 2 eyes
2C + 2B = 16
Substituting 2B
2C + 22 - 4C = 16
2C = 6
C = 3
2B = 22 - 4(3)
B = 5

2 cats and 5 birds
6 0
3 years ago
Read 2 more answers
Use the Polygon tool to draw an image of the given polygon under a dilation with a scale factor of 14 and center of dilation ​(0
puteri [66]

The points are (168, 168) , (168,56) , (112,0) , (70,112)

Given a scale factor is 14 and the center of dilation (0,0)

We need to find the Points using the scale factor and polygon tool

Now to find the new points the equation is

(old points - dilation center)*scale factor + dilation center

As we know the origin is the dilation center which simplifies to

(old point)*dilation center

(12,12) * 14  =  (168,168)

(12,4) * 14 = (168, 56)

(8,0)*14  =   (112, 0)

(5,8) *14  = (70, 112)

Hence the new points are  (168, 168) , (168,56) , (112,0) , (70,112)

Learn more about center of dilation here

brainly.com/question/14101746

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4 0
2 years ago
I REALLY NEED HELP ON THIS
Studentka2010 [4]

Answer:

It's D. 53.1°

Step-by-step explanation:

3 0
3 years ago
2x-y=5 slope - intercept form​
Nesterboy [21]

Answer:

y = 2x -5

Step-by-step explanation:

7 0
3 years ago
Pleaseeeeee help me find the answer
Thepotemich [5.8K]

Answer:

1/2

Step-by-step explanation:

Let's pick two points and find the slope inbetween them.

I'll pick (2,1) and (0,0).

Remember that slope = change in y / change in x.

slope = 1-0 / 2-0 = 1/2

6 0
3 years ago
Read 2 more answers
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